David Green af03324984 [ARM] Disable sign extended SSAT pattern recognition. ...

I may have given bad advice, and skipping sext_inreg when matching SSAT
patterns is not valid on it's own. It at least needs to sext_inreg the
input again, but as far as I can tell is still only valid based on
demanded bits. For the moment disable that part of the combine,
hopefully reimplementing it in the future more correctly.

2021-01-22 14:07:48 +00:00

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